Bound and free morphemes

In linguistics, a bound morpheme is a morpheme (the elementary unit of morphosyntax) that can appear only as part of a larger expression, while a free morpheme (or unbound morpheme) is one that can stand alone.^[1] A bound morpheme is a type of bound form, and a free morpheme is a type of free form.^[2]

^ Kroeger, Paul (2005). Analyzing Grammar: An Introduction. Cambridge: Cambridge University Press. p. 13. ISBN 978-0-521-01653-7.
^ Elson and Pickett, Beginning Morphology and Syntax, SIL, 1968, ISBN 0-88312-925-6, p6: "Morphemes which may occur alone are called free forms; morphemes which never occur alone are called bound forms."

[1] Kroeger, Paul (2005). Analyzing Grammar: An Introduction. Cambridge: Cambridge University Press. p. 13. ISBN 978-0-521-01653-7.

[2] Elson and Pickett, Beginning Morphology and Syntax, SIL, 1968, ISBN 0-88312-925-6, p6: "Morphemes which may occur alone are called free forms; morphemes which never occur alone are called bound forms."

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